Rio Tinto announces strong third quarter production results

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1 plc 2 Eastbourne Terrace London W2 6LG United Kingdom T +44 (0) F +44 (0) Media release announces strong third quarter production results 15 October chief executive Sam Walsh said We achieved strong production results in the third quarter, with copper volumes up as Oyu Tolgoi ramps up to full capacity and Kennecott continues to recover ahead of expectations. Productivity improvements in our Australian operations led to record quarterly thermal coal production. In iron ore, we achieved record production and shipments in Western Australia following the official opening of our landmark Pilbara 290 port and rail expansion, four months ahead of its original schedule and $400 million under budget. We maintained good progress against our strategic priorities to improve the performance of our businesses, strengthen the balance sheet and deliver our approved growth projects. We are also making further important gains in productivity across our operations and continue to drive costs out of the business. Highlights Q3 vs Q3 vs Q2 9 mths vs 9 mths Global iron ore shipments mt (100% basis) % +11% % Global iron ore production mt (100% basis) % +3% % Mined copper kt (RT share) % +11% % Aluminium kt (RT share) % -3% 2,686 +5% Hard coking coal kt (RT share) 2,253-6% +18% 5,805-5% Semi-soft and thermal coal kt (RT share) 7, % -1% 20, % Titanium dioxide feedstock kt (RT share) 373-7% -19% 1, % Record quarter for iron ore production, shipments and rail volumes. First shipments through Cape Lambert wharf B were made in late August, four months ahead of the original timeframe. The safe and efficient ramp-up schedule is on track to reach a full run-rate production of 290 Mt/a by the end of the first half of Production at Oyu Tolgoi continued to ramp up and is now consistently producing at design capacity. Shipments of copper concentrate to China commenced on 9 July. Oyu Tolgoi s customers are making good progress with Chinese customs officials to obtain the necessary approvals to allow collection of purchased concentrate from the bonded warehouse. expectations for mined copper at Kennecott Utah Copper have been upgraded to 185,000 tonnes. The new heavy vehicle access road is expected to be operational in the next few weeks. First hot metal was produced at the AP60 plant in Quebec. Once fully commissioned, the 60,000 tonne per year plant will produce 40 per cent more aluminium per cell than the previous generation of AP technology. Production of semi-soft and thermal coal improved following the completion of recent brownfield mine expansions and substantial productivity gains through operational improvements from load and haul fleets. On track to exceed our $750 million exploration and evaluation spend reduction target for, having achieved $729 million in lower exploration and evaluation spend during the nine months to September compared to the same period in. All currency figures in this report are US dollars, and comments refer to s share of production, unless otherwise stated

2 Page 2 of 26 IRON ORE share of production (million tonnes) Q3 vs Q3 vs Q2 9 mths vs 9 mths Pilbara Blend Lump % 0% % Pilbara Blend Fines % +4% % Robe Valley Lump % +20% % Robe Valley Fines 3.1-2% +1% % Yandicoogina Fines (HIY) % +4% % IOC (pellets and concentrate) 2.4-1% 0% % Pilbara operations Third quarter production of 64.3 million tonnes ( share 51.0 million tonnes) set a new quarter record, driven by period on period productivity improvements and commissioning of the Hope Downs 4 mine. Production for the nine months to September was million tonnes ( share million tonnes), four per cent higher than the corresponding period in. Pilbara marketing Third quarter sales of 64.3 million tonnes (100 per cent basis) set a new sales record and were five per cent higher than the same period in. Year to date sales of million tonnes (100 per cent basis) were three per cent higher than the corresponding period last year. Approximately 30 per cent of sales in the third quarter of were priced with reference to the prior quarter s average index lagged by one month. The remainder was sold either on the current quarter average, current month average or on the spot market. Prices are adjusted for product characteristics and iron and moisture content. Pilbara expansion Expansion projects are on track, with the 290 Mt/a project being delivered ahead of the original schedule and $400 million under budget. First shipment occurred in late August, four months ahead of schedule, and ramp up to nameplate capacity will continue through to the end of the first half of Expansion of the port, rail and power infrastructure to 360 Mt/a is currently underway. A number of options for mine capacity growth are under evaluation, including incremental tonnes from low-cost productivity improvements, expansion of existing mines and the potential development of new mines. Iron Ore Company of Canada (IOC) Total saleable production for the nine months to September was 12 per cent higher than in the same period in due to continued improvement in the expanded mine and concentrator. Completion of the second phase of the Concentrate Expansion Project to bring total concentrate production capacity to 23.3 Mt/a is expected during the first half of Year to date concentrate sales are 60 per cent higher than in the same period in. This is as a result of the additional concentrate volumes from recent expansions and the decision to curtail pellet production to reduce costs. production guidance production guidance is unchanged at approximately 265 million tonnes (100 per cent basis) from global operations in Australia and Canada, subject to weather constraints.

3 Page 3 of 26 COPPER share of production Q3 vs Q3 vs Q2 9 mths vs 9 mths Kennecott Utah Copper Mined copper (000 tonnes) % +51% % Refined copper (000 tonnes) % +18% % Molybdenum (000 tonnes) % +40% % Mined gold (000 ozs) % +78% % Refined gold (000 ozs) % -9% % Escondida Mined copper (000 tonnes) % -5% % Refined copper (000 tonnes) % -8% % Northparkes Mined copper (000 tonnes) % +2% % Oyu Tolgoi Mined copper (000 tonnes) 10.3 N/A +133% 14.7 N/A Mined gold (000 ozs) 20.9 N/A +197% 28.0 N/A Kennecott Utah Copper Third quarter production of copper and gold contained in concentrates improved significantly on the same period in, reflecting higher grades in ore treated. Production of molybdenum in concentrates was adversely affected by lower availability of high grade molybdenum ore. Waste movement associated with the Cornerstone extension, which involves pushing back the south wall of Bingham Canyon to gain access to additional ore, continued during the quarter. Copper cathode production for the nine months of was 32 per cent higher than the same period in, which reflected lower copper cathode production as a result of a planned smelter shutdown in. The recovery of the open pit operations following the pit wall slide in April continues to progress better than originally planned, with completion of the new heavy vehicle access road now expected in the fourth quarter. This will be a major milestone in the recovery process as it will enable additional ore production alongside remediation and waste movement. Full year production of mined copper at Kennecott Utah Copper is now expected to be 185,000 tonnes. Escondida Mined copper production in the third quarter increased eight per cent on the same period in. This increase was driven by higher ore grades and the absence of the multi-day maintenance shutdown of crushing and conveying equipment. On 25 July, approved a $1.03 billion investment ( share) for the construction of a new 2,500 litre per second seawater desalination facility to ensure continued water supply and sustain operations at Escondida. Oyu Tolgoi / Turquoise Hill Resources Shipments of copper concentrate to the bonded warehouse in China continued in the third quarter. Oyu Tolgoi s customers are making good progress with Chinese customs officials to obtain necessary approvals to enable them to collect purchased concentrate from the bonded Chinese warehouse. Revenue will be recognised when customers withdraw concentrate from the warehouse. Oyu Tolgoi expects sales to be aligned with production rates by the end of the year. The concentrator is now consistently operating at or near nameplate capacity, processing approximately 100,000 tonnes of ore per day. Production for the third quarter was 30,602 tonnes of copper and 62,404 ounces of gold in concentrates (100 per cent basis).

4 Page 4 of 26 Grasberg Based on the latest available Freeport estimates, production from Grasberg is not expected to exceed the metal attributable to s joint venture partner because of planned mine sequencing in areas with lower metal grades. Accordingly, s share of joint venture production is unchanged and is expected to be zero for the year. Northparkes On 29 July, announced that it had reached a binding agreement for the sale of its 80 per cent in Northparkes. The Northparkes joint venture parties have since waived their preemptive rights under the joint venture agreement and consented to the assignment of s to China Molybdenum Co., Ltd. The transaction remains subject to customary regulatory approvals and is expected to close by the end of. Third quarter production was seven per cent higher than the corresponding period in as a result of higher throughput. production guidance In, s share of mined and refined copper production is expected to be approximately 590,000 tonnes and 270,000 tonnes, respectively. ALUMINIUM share of production (000 tonnes) Q3 vs Q3 vs Q2 9 mths vs 9 mths Alcan Bauxite 11,250 +9% +3% 31, % Alumina 2,293-13% +2% 6,725-5% Aluminium % +1% 2,600 +9% On 8 August, announced that the Pacific Aluminium division would be re-integrated into Alcan. Accordingly, Alcan production numbers now also include production from Pacific Aluminium. Comparative data has been restated to be presented on a consistent basis. Bauxite Third quarter bauxite production set a new quarterly record and was nine per cent higher than the third quarter of. Year to date production is also up 11 per cent against the same period in. Record bauxite production at Weipa has increased supply to the expanded Yarwun refinery and taken advantage of increased third party demand. Alumina Third quarter alumina production was 13 per cent lower than the same period in due to the shutdown of one of three digestion stages at Gove following a failure of the heat exchangers which occurred in February this year. These are being refurbished and the first units were brought back on line during September. Production for the nine months to September was five per cent lower than the corresponding period in as both the Queensland refineries recover from the impacts of extropical cyclone Oswald experienced in the first quarter of. Aluminium Third quarter aluminium production was nine per cent higher than the same period in. Production in the third quarter of was impacted by the lockout at Alma which was resolved in July. Production for the year to date was also higher than the corresponding period in for the same reason. On 13 July, Alcan announced it had received a binding offer for its St Jean-de-Maurienne aluminium smelter ( production of 93,000 tonnes of aluminium) and Castelsarrasin casting facility in France from the German aluminium producer, TRIMET. The offer is conditional upon the appropriate regulatory approvals and completion of an energy and partnership arrangement with EDF (Électricité de France) followed by a partnership agreement with the BPI (Banque Publique d'investissement).

5 Page 5 of 26 On 7 August, Alcan announced the curtailment of 100,000 tonnes of production at its Shawinigan smelter in Quebec; 50,000 tonnes to be curtailed upon announcement and a further 50,000 to be progressively curtailed by the end of November. production guidance In, Alcan s share of bauxite, alumina and aluminium production is expected to be 43 million tonnes, 9.3 million tonnes and 3.5 million tonnes, respectively. ENERGY Coal share of production (000 tonnes) Q3 vs Q3 vs Q2 9 mths vs 9 mths Coal Australia Hard coking coal 2,091-10% +19% 5,389-11% Semi-soft coking coal % -35% 2, % Thermal coal 6, % +6% 16, % Coal Mozambique Hard coking coal % +14% % Thermal coal % -7% % Hard coking coal production in Australia was ten per cent lower than the third quarter of. Work continues to recover coal following a geotechnical low wall failure experienced at Hail Creek in July. At Kestrel, operations are transitioning following the start of production from the Kestrel Mine Extension project, extending the life of mine by 20 years. Semi-soft coking coal production was five per cent higher than during the third quarter of, as operations in the Hunter Valley delivered significant productivity improvements from load and haul fleets. Australian thermal coal production in the third quarter increased by 15 per cent compared with the same period in. This was driven by the strong ramp-up to deliver name plate production rates of 12.2 Mt/a at Clermont. Year to date, Clermont has achieved a 64 per cent increase in production compared to the same period last year. Production at sites in the Hunter Valley increased by 23 per cent in the nine months to September following the completion of brownfield expansions and by driving substantial productivity gains through operational improvements. On 3 October, the Coal Australia managed Blair Athol Coal Joint Venture signed a conditional Sale and Purchase Agreement to transfer its s in the Blair Athol mine to New Emerald Coal Ltd (NEC), a subsidiary of Linc Energy Ltd. The transaction is expected to complete within six months. ceased mining at Blair Athol in November. Third quarter production in Mozambique increased over the second quarter of due to yield improvement initiatives which resulted in higher hard coking coal production. Uranium share of production (000 lbs) Q3 vs Q3 vs Q2 9 mths vs 9 mths Energy Resources of Australia % -38% 3,610-6% Rössing % -3% 2,907-5% Energy Resources Australia (ERA) completed mining activities in the open pit in late. The majority of the remaining higher grade ore obtained from the open pit last year was processed during the first half of. ERA has since been processing lower grade stockpiled ore. Third quarter production at Rössing was 16 per cent lower than same period in as a result of a decrease in mill throughput.

6 Page 6 of 26 production guidance In, s share of Australian hard coking, semi soft coking and thermal coal production is expected to be 8 million tonnes, 4 million tonnes and 22 million tonnes, respectively. s share of uranium production in is expected to be 9 million pounds. DIAMONDS & MINERALS share of production Q3 vs Q3 vs Q2 9 mths vs 9 mths Diamonds (000 carats) Argyle 3, % -1% 8, % Diavik 1,003-13% +7% 3,106-3% Murowa 70-24% +2% % Minerals (000 tonnes) Borates B 2 O 3 content % -7% % Titanium dioxide feedstock 373-7% -19% 1, % Salt (000 tonnes) 1,586-14% -5% 4,842-6% At Argyle, carats recovered were 26 per cent higher than the third quarter of reflecting increased tonnes processed in the period and higher grades following commissioning of the underground operation earlier in the year. Carats recovered at Diavik were 13 per cent lower than the third quarter of as a result of lower grades of ore mined during the quarter. Diamonds recovered in the third quarter are seven per cent higher than in the previous quarter of due to the ramp up of underground mining and higher grades recovered. Titanium dioxide feedstock production was seven per cent lower than the third quarter of due to the planned furnace rebuild at Fer et Titane (RTFT), which was brought forward in response to challenging market conditions for high grade titanium dioxide feedstock. This was partially offset by the doubling of the Group s in Richards Bay Minerals. The RTFT upgraded slag (UGS) production facility is expected to be restarted in the fourth quarter dependent upon market conditions. Borates production in the third quarter increased 16 per cent over the same period last year in response to increased sales during the quarter and in preparation for the launch of the new modified direct dissolving of kernite process plant in 2014 and a planned renovation of the AB furnace. Salt production declined 14 per cent compared with the same period in due to the on-going impact of the wet weather associated with unseasonal rainfall in June. Constructive discussions to develop the formal investment framework for Simandou continue with the Government of Guinea and Simfer partners. production guidance In, s share of production is expected to be 15.7 million carats of diamonds, 0.5 million tonnes of borates or boric oxide equivalent and 1.7 million tonnes of titanium dioxide feedstocks. CORPORATE The previously announced divestments of the Eagle nickel project and Palabora Mining Company completed on 17 and 31 July, respectively. On 8 August, entered into an agreement to provide a bridge facility for up to US$600 million to its majority owned subsidiary Turquoise Hill Resources. The facility matures on 31 December and is intended to fund the continued ramp up of phase one of the Oyu Tolgoi mine development. In addition, in the event that Turquoise Hill is required to raise equity to repay this new bridge facility and

7 Page 7 of 26 the existing US$1.8 billion interim funding facility provided by, which also matures on 31 December,, has also agreed, subject to certain conditions being satisfied, to provide a firm stand-by commitment for a fully underwritten rights offering by Turquoise Hill. EXPLORATION AND EVALUATION Pre-tax and pre-divestment expenditure on exploration and evaluation charged to the profit and loss account in the first three quarters of was $774 million compared with $1,503 million in the same period in. Of this expenditure, approximately 40 per cent was incurred by the Copper group, seven per cent by Iron Ore, 19 per cent by Energy, 13 per cent by Diamonds & Minerals (which now includes the Simandou project), one per cent by Alcan and the balance was incurred by Central Exploration. During the first nine months of, the Group realised $12 million (pre-tax) from the divestment of central exploration properties, compared with $11 million in the same period in. This included the divestment of Murindo (Colombia) site. Exploration highlights In the Pilbara, data processing and interpretation of the airborne geophysical surveys continued. Drilling continued on the planned targets. In the Bowen Basin (Queensland, Australia), a 2D seismic survey was completed at Winchester South and Hillalong. Drilling continued at Winchester South and commenced at Hillalong. In Montana (USA) drilling continued at the Copper Cliff porphyry copper project following up targets from identified from geophysical modelling. In Chile, drilling commenced at the Olimpo project, and geophysical surveys commenced at the Queen Elizabeth target (an alliance project with Codelco). In Russia, RTX and its partner, ICT, won a tender for the Kirganik copper exploration project located in the southern Kamchatka peninsula. In Uzbekistan, geological mapping and ground geophysics targeting copper mineralisation commenced at the Gava prospect. In China CRTX, the Chinalco Exploration Joint Venture, signed a cooperation agreement in the Xinjiang Province for copper exploration on the Kalaxianger No. 1 Project. At Tamarack (USA) summer drilling commenced and was aimed to follow-up significant zones of nickel mineralisation intersected across the project area. On the Saskatchewan Potash project in Canada, a joint venture with North Atlantic Potash Inc., a subsidiary of JSC Acron, processing and interpretation of the 3D seismic survey continued. At Rössing (Namibia) resource estimation was completed incorporating the third phase of drilling at the Z20 uranium project. In Brazil in the Amargosa Orbit, field mapping and auger drilling continued across several targets. At the Suriapet diamond project in India, gravel sampling continued, but was hampered by monsoonal rains.

8 Page 8 of 26 A summary of activity for the period is as follows: Product Group Evaluation projects Advanced projects Greenfield programmes Aluminium Amargosa, Brazil Amargosa orbit, Brazil Australia, Brazil, Laos Copper Copper/molybdenum: Resolution, US. Copper: La Granja, Peru Copper/gold: Oyu Tolgoi, Mongolia Nickel: Tamarack, US. Copper: Australia, Chile, Kazakhstan, Uzbekistan, Peru, Russia, US, Zambia, Mongolia Diamonds & Minerals Energy Iron Ore Diamonds: Bunder, India Lithium borates: Jadar, Serbia Heavy Mineral Sands: Mutamba Coal: Coal Mozambique Uranium: Ranger 3 Deeps, Rough Rider Simandou, Guinea Pilbara, Australia Coal: Bowen Basin, Australia Uranium: Canada Pilbara, Australia. Diamonds: Canada, Democratic Republic of Congo, India Potash: Canada Heavy Mineral Sands: Gabon Uranium: Canada, Namibia, Australia, US. Canada, Botswana, South Africa, India. Mine-lease exploration continued at a number of businesses including, Pilbara Iron, Hail Creek, Resolution, La Granja, Rössing, Rough Rider and Sweetwater.

9 Page 9 of 26 This report represents the Interim Management Statement for the purposes of the UK Listing Authority s Disclosure and Transparency Rules. About is a leading international mining group headquartered in the UK, combining plc, a London and New York Stock Exchange listed company, and Limited, which is listed on the Australian Securities Exchange. 's business is finding, mining, and processing mineral resources. Major products are aluminium, copper, diamonds, thermal and metallurgical coal, uranium, gold, industrial minerals (borax, titanium dioxide and salt) and iron ore. Activities span the world and are strongly represented in Australia and North America with significant businesses in Asia, Europe, Africa and South America. For further information, please contact: Media Relations, EMEA / Americas Illtud Harri Office: +44 (0) Mobile: +44 (0) David Outhwaite Office: +44 (0) Mobile: +44 (0) Media Relations, Australia / Asia David Luff Office: +61 (0) Mobile: +61 (0) Bruce Tobin Office: +61 (0) Mobile: +61 (0) Media Relations, Canada Bryan Tucker Office: +1 (0) Mobile: +1 (0) Investor Relations, EMEA Mark Shannon Office: +44 (0) Mobile: +44 (0) David Ovington Office: +44 (0) Mobile: +44 (0) Grant Donald Office: +44 (0) Mobile: +44 (0) Investor Relations, Australia / Asia Christopher Maitland Office: +61 (0) Mobile: +61 (0) Rachel Storrs Office: +61 (0) Mobile: +61 (0) Galina Rogova Office: +852 (2839) 9208 Mobile: +852 (6978) 3011 Website: Twitter: media.enquiries@riotinto.com on Twitter Investor Relations, Americas Jason Combes Office: +1 (0) Mobile: +1 (0) High resolution photographs and media pack available at:

10 Page 10 of 26 production summary share of production Quarter 9 Months % Change Q3 Q2 Q3 9 MTHS 9 MTHS Q3 13 vs Q3 12 Q3 13 vs Q vs 12 Principal Commodities Alumina ('000 t) 2,622 2,246 2,293 7,093 6,725-13% 2% -5% Aluminium ('000 t) ,550 2,686 3% -3% 5% Bauxite ('000 t) 10,350 10,960 11,250 28,633 31,772 9% 3% 11% Borates ('000 t) % -7% 6% Coal - hard coking ('000 t) 2,407 1,902 2,253 6,112 5,805-6% 18% -5% Coal - semi-soft coking ('000 t) 714 1, ,323 2,936 5% -35% 26% Coal - thermal ('000 t) 5,514 5,978 6,321 14,426 17,350 15% 6% 20% Copper - mined ('000 t) % 11% 19% Copper - refined ('000 t) % -3% 13% Diamonds ('000 cts) 3,706 4,135 4,158 9,873 11,529 12% 1% 17% Iron ore ('000 t) 52,628 51,829 53, , ,456 1% 3% 4% Titanium dioxide feedstock ('000 t) ,145 1,261-7% -19% 10% Uranium ('000 lbs) 3,112 2,366 1,817 6,907 6,517-42% -23% -6% Other Metals & Minerals Gold - mined ('000 oz) % 60% 2% Gold - refined ('000 oz) % -9% -28% Molybdenum ('000 t) % 40% -53% Salt ('000 t) 1,836 1,670 1,586 5,155 4,842-14% -5% -6% Silver - mined ('000 oz) ,345 2,659 3,353 59% 42% 26% Silver - refined ('000 oz) ,640 1,525 11% -14% -7% Throughout this report, figures in italics indicate adjustments made since the figure was previously quoted on the equivalent page. Production figures are sometimes more precise than the rounded numbers shown, hence small differences may result between the total of the quarter figures and the nine month figures.

11 Page 11 of 26 share of production ALUMINA Production ('000 tonnes) Alcan Gove (a) 100% ,059 1,597 Jonquière (Vaudreuil) 100% ,034 1,061 Queensland Alumina 80% ,240 1,985 São Luis (Alumar) 10% Yarwun 100% ,425 1,751 Jonquière (Vaudreuil) specialty alumina plant 100% total alumina production 2,622 2,617 2,186 2,246 2,293 7,093 6,725 ALUMINIUM Production ('000 tonnes) Alcan Australia - Bell Bay (a) 100% Australia - Boyne Island (a) 59% Australia - Tomago (a) 52% Cameroon - Alucam (Edéa) 47% Canada - six wholly owned 100% ,002 Canada - Alouette (Sept-Îles) 40% Canada - Bécancour 25% France - two wholly owned 100% Iceland - ISAL (Reykjavik) 100% New Zealand - Tiwai Point (a) 79% Norway - SØRAL (Husnes) 50% Oman - Sohar 20% UK - Lochaber 100% Alcan total ,382 2,600 Other Aluminium - two smelters (b) total aluminium production ,550 2,686 BAUXITE Production ('000 tonnes) (c) Alcan Gove (a) 100% 2,086 2,068 1,918 1,857 1,983 5,876 5,758 Porto Trombetas 12% ,380 1,362 Sangaredi (d) 1,592 1,663 1,477 1,831 1,790 4,637 5,099 Weipa 100% 6,179 6,518 5,783 6,800 6,971 16,739 19,554 total bauxite production 10,350 10,731 9,562 10,960 11,250 28,633 31,772

12 Page 12 of 26 share of production BORATES Production ('000 tonnes B 2O 3 content) Minerals - borates 100% COAL - hard coking Coal Australia ('000 tonnes) Hail Creek Coal 82% 1,679 1,588 1,217 1,373 1,483 4,294 4,072 Kestrel Coal 80% ,731 1,316 Total Coal Australia hard coking coal 2,320 1,832 1,539 1,759 2,091 6,025 5,389 Coal Mozambique Benga (e) 65% total hard coking coal production 2,407 1,932 1,650 1,902 2,253 6,112 5,805 COAL - semi-soft coking Coal Australia ('000 tonnes) Hunter Valley 80% ,234 1,580 Mount Thorley 64% Warkworth 44% total semi-soft coking coal production ,039 1, ,323 2,936 COAL - thermal Coal Australia ('000 tonnes) Bengalla 32% ,587 1,997 Blair Athol Coal (f) 71% ,346 - Clermont 50% 1,148 1,416 1,130 1,524 1,753 2,687 4,407 Hail Creek Coal (g) 82% Hunter Valley 80% 1,981 2,395 1,893 2,553 2,330 5,474 6,775 Kestrel Coal 80% Mount Thorley 64% ,178 1,158 Warkworth 44% ,069 1,828 2,319 Total Coal Australia thermal coal 5,402 6,063 4,943 5,846 6,198 14,314 16,988 Coal Mozambique Benga (e) 65% total thermal coal production 5,514 6,222 5,052 5,978 6,321 14,426 17,350

13 Page 13 of 26 share of production COPPER Mine production ('000 tonnes) (c) Bingham Canyon 100% Escondida 30% Grasberg - Joint Venture (h) 40% Northparkes (i) 80% Oyu Tolgoi (j) 34% Palabora (k) 0% total mine production Refined production ('000 tonnes) Escondida 30% Kennecott Utah Copper 100% Palabora (k) 0% total refined production DIAMONDS Production ('000 carats) Argyle 100% 2,454 2,010 1,990 3,130 3,085 6,461 8,205 Diavik 60% 1,160 1,141 1, ,003 3,197 3,106 Murowa 78% total diamond production 3,706 3,248 3,236 4,135 4,158 9,873 11,529 GOLD Mine production ('000 ounces) (c) Barneys Canyon 100% Bingham Canyon 100% Escondida 30% Grasberg - Joint Venture (h) 40% Northparkes (i) 80% Oyu Tolgoi (j) 34% Palabora (k) 0% total mine production Refined production ('000 ounces) Kennecott Utah Copper 100%

14 Page 14 of 26 share of production IRON ORE Production ('000 tonnes) (c) Hamersley - six wholly owned mines 100% 33,832 33,022 30,774 32,946 33,707 93,608 97,427 Hamersley - Channar 60% 1,334 1,833 1,743 1,742 1,528 4,735 5,013 Hamersley - Eastern Range (l) 2,297 2,424 2,508 2,460 2,571 6,878 7,539 Hope Downs 50% 4,024 3,683 3,869 3,965 4,504 11,713 12,338 Iron Ore Company of Canada 59% 2,370 2,298 2,009 2,341 2,353 5,970 6,703 Robe River 53% 8,771 8,707 7,347 8,375 8,714 23,998 24,436 total iron ore production 52,628 51,967 48,250 51,829 53, , ,456 Breakdown: Pilbara Blend Lump 12,459 12,580 11,997 13,217 13,269 36,347 38,483 Pilbara Blend Fines 18,763 17,717 18,181 18,572 19,237 52,144 55,990 Robe Valley Lump 1,390 1,620 1,252 1,387 1,658 3,969 4,297 Robe Valley Fines 3,122 3,280 2,661 3,039 3,066 8,252 8,766 Yandicoogina Fines (HIY) 14,524 14,472 12,150 13,272 13,795 40,220 39,217 IOC Concentrate ,086 1,048 1,734 2,931 IOC Pellets 1,448 1,453 1,212 1,255 1,305 4,236 3,772 MOLYBDENUM Mine production ('000 tonnes) (c) Bingham Canyon 100% SALT Production ('000 tonnes) Dampier Salt 68% 1,836 1,678 1,585 1,670 1,586 5,155 4,842 SILVER Mine production ('000 ounces) (c) Bingham Canyon 100% ,462 1,947 Escondida 30% Grasberg - Joint Venture (h) 40% Oyu Tolgoi (j) 34% Others total mine production , ,345 2,659 3,353 Refined production ('000 ounces) Kennecott Utah Copper 100% ,640 1,525 TITANIUM DIOXIDE FEEDSTOCK Production ('000 tonnes) Iron & Titanium (m) 100% ,145 1,261

15 Page 15 of 26 share of production URANIUM Production ('000 lbs U 3O 8) Energy Resources of Australia 68% 1,980 1,840 1,351 1, ,840 3,610 Rössing 69% 1,132 1, ,068 2,907 total uranium production 3,112 2,853 2,334 2,366 1,817 6,907 6,517 Production data notes: (a) On 8 August, announced that Pacific Aluminium, including the Gove mine and alumina refinery, Bell Bay, Boyne Island, Tomago and Tiwai Point smelters, would be reintegrated in Alcan. (b) sold its 100% in the Sebree aluminium smelter with an effective date of 1 June. Production is shown up to that date. The wholly owned Lynemouth smelter was closed in March. (c) Mine production figures for metals refer to the total quantity of metal produced in concentrates, leach liquor or doré bullion irrespective of whether these products are then refined onsite, except for the data for bauxite and iron ore which represent production of marketable quantities of ore plus concentrates and pellets. (d) has a 22.95% shareholding in the Sangaredi mine but benefits from 45.0% of production. (e) Benga moved to commercial production during the third quarter of. (f) Blair Athol closed in the last quarter of. agreed the sale of its 71.2% in Blair Athol in October. (g) Hail Creek started a trial of thermal coal production, reprocessed from coking coal reject, in the third quarter of. (h) Through a joint venture agreement with Freeport-McMoRan Copper & Gold (FCX), is entitled to 40% of additional material mined as a consequence of expansions and developments of the Grasberg facilities since The production from Grasberg did not exceed the metal attributable to PT Freeport Indonesia per the joint venture agreement for the quarter. Accordingly, 's share of joint venture production was zero for. (i) In July, announced that it had reached a binding agreement for the sale of its 80% in Northparkes. (j) owns a 33.52% indirect in Oyu Tolgoi through its 50.79% in Turquoise Hill Resources. Production included in the table is from 1 May. (k) The sale of 's 57.7% in Palabora Mining Company was completed on 31 July ; production data have been reported up to 30 June. (l) 's share of production includes 100% of the production from the Eastern Range mine. Under the terms of the joint venture agreement, Hamersley Iron manages the operation and is obliged to purchase all mine production from the joint venture. (m) Quantities comprise 100% of Fer et Titane and 's share of Richards Bay Minerals (RBM). 's share of RBM production reflects increased ownership from 37% to 74% in early September. The percentage shown above is at 30 September. 's s in the Beyrède, Gardanne, La Bâthie and Teutschenthal specialty alumina plants and Borax Argentina were sold in. No data for these operations are included in the Share of Production table.

16 Page 16 of 26 operational data ALUMINIUM Alcan - Bauxite Bauxite production ('000 tonnes) Australia Gove mine - Northern Territory (a) 100.0% 2,086 2,068 1,918 1,857 1,983 5,876 5,758 Weipa mine - Queensland 100.0% 6,179 6,518 5,783 6,800 6,971 16,739 19,554 Brazil Porto Trombetas (MRN) mine 12.0% 4,104 4,010 3,198 3,941 4,214 11,503 11,353 Guinea Sangaredi mine (b) 23.0% 3,537 3,696 3,282 4,070 3,978 10,305 11,330 Alcan share of bauxite shipments Share of bauxite shipments ('000 tonnes) 10,637 10,244 9,381 11,148 11,166 28,994 31,695 (a) On 8 August, announced that Pacific Aluminium, including the Gove mine, would be reintegrated in Alcan. (b) has a 22.95% shareholding in the Sangaredi mine but benefits from 45.0% of production. Alcan - Smelter Grade Alumina Alumina production ('000 tonnes) Australia Gove refinery - Northern Territory (a) 100.0% ,059 1,597 Queensland Alumina Refinery - Queensland 80.0% ,800 2,481 Yarwun refinery - Queensland 100.0% ,425 1,751 Brazil São Luis (Alumar) refinery 10.0% ,589 2,517 Canada Jonquière (Vaudreuil) refinery - Quebec (b) 100.0% ,034 1,061 (a) On 8 August, announced that Pacific Aluminium, including the Gove alumina refinery, would be reintegrated in Rio Tinto Alcan. (b) Jonquière s (Vaudreuil s) production shows smelter grade alumina only and excludes hydrate produced and used for specialty alumina. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

17 Page 17 of 26 operational data ALUMINIUM (continued) Alcan - Specialty Alumina Specialty alumina production ('000 tonnes) Canada Jonquière (Vaudreuil) refinery - Quebec 100.0% Alcan - Primary Aluminium Primary aluminium production ('000 tonnes) Australia Bell Bay smelter - Tasmania (a) 100.0% Boyne Island smelter - Queensland (a) 59.4% Tomago smelter - New South Wales (a) 51.6% Cameroon Alucam (Edéa) smelter 46.7% Canada Alma smelter - Quebec 100.0% Alouette (Sept-Îles) smelter - Quebec 40.0% Arvida smelter - Quebec 100.0% Bécancour smelter - Quebec 25.1% Grande-Baie smelter - Quebec 100.0% Kitimat smelter - British Columbia 100.0% Laterrière smelter - Quebec 100.0% Shawinigan smelter - Quebec 100.0% France Dunkerque smelter 100.0% Saint-Jean-de-Maurienne smelter 100.0% Iceland ISAL (Reykjavik) smelter 100.0% New Zealand Tiwai Point smelter (a) 79.4% Norway SØRAL (Husnes) smelter 50.0% Oman Sohar smelter 20.0% United Kingdom Lochaber smelter 100.0% Alcan share of metal sales Share of primary aluminium sales ('000 tonnes) ,024 2,674 2,933 (a) On 8 August, announced that Pacific Aluminium, including the Bell Bay, Boyne Island, Tomago and Tiwai Point smelters, would be reintegrated in Alcan. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

18 Page 18 of 26 operational data ALUMINIUM (continued) Other Aluminium - Specialty Alumina Specialty alumina production ('000 tonnes) France Beyrède plant (a) 0.0% Gardanne plant (a) 0.0% La Bâthie plant (a) 0.0% Germany Teutschenthal plant (a) 0.0% Other Aluminium - Primary Aluminium Primary aluminium production ('000 tonnes) United Kingdom Lynemouth smelter (b) 100.0% USA Sebree smelter - Kentucky (c) 0.0% (a) sold its in these specialty alumina assets with an effective date of 1 August. Production is shown up to that date. (b) closed the Lynemouth aluminium smelter on 29 March. (c) sold its 100% in the Sebree smelter with an effective date of 1 June. Production is shown up to that date. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

19 Page 19 of 26 operational data BORATES Minerals - borates 100.0% US and Argentina Borates ('000 tonnes) (a) (b) (a) Production is expressed as B 2O 3 content. (b) sold its in Borax Argentina with an effective date of 21 August. Production is included up to that date. COAL Coal Australia Bengalla mine 32.0% New South Wales Thermal coal ('000 tonnes) 1,652 2,068 1,765 2,254 2,220 4,959 6,239 Blair Athol Coal mine (a) 71.2% Queensland Thermal coal ('000 tonnes) ,890 - Clermont Coal mine 50.1% Queensland Thermal coal ('000 tonnes) 2,292 2,826 2,256 3,041 3,499 5,363 8,797 Hail Creek Coal mine 82.0% Queensland Hard coking coal ('000 tonnes) 2,048 1,937 1,485 1,674 1,808 5,236 4,966 Thermal coal ('000 tonnes) (b) Hunter Valley Operations 80.0% New South Wales Semi-soft coking coal ('000 tonnes) ,543 1,975 Thermal coal ('000 tonnes) 2,476 2,993 2,366 3,191 2,912 6,843 8,469 Kestrel Coal mine 80.0% Queensland Hard coking coal ('000 tonnes) ,163 1,646 Thermal coal ('000 tonnes) Mount Thorley Operations 64.0% New South Wales Semi-soft coking coal ('000 tonnes) ,047 1,369 Thermal coal ('000 tonnes) ,840 1,810 percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

20 Page 20 of 26 operational data COAL (continued) Warkworth mine 44.5% New South Wales Semi-soft coking coal ('000 tonnes) ,079 Thermal coal ('000 tonnes) 1,469 1,365 1,583 1,229 2,403 4,112 5,216 Total hard coking coal production ('000 tonnes) 2,849 2,242 1,886 2,157 2,568 7,400 6,612 Total semi-soft coking coal production ('000 tonnes) 1,194 1,468 1,501 1,867 1,055 3,532 4,423 Total thermal coal production ('000 tonnes) 9,473 10,689 8,936 10,472 11,537 25,274 30,945 Total coal production ('000 tonnes) 13,516 14,399 12,323 14,496 15,161 36,205 41,980 Total coal sales ('000 tonnes) 13,296 14,757 12,259 14,056 14,481 35,293 40,797 Coal Australia share (c) Share of hard coking coal sales ('000 tonnes) 2,436 1,841 1,535 1,776 1,846 6,368 5,157 Share of semi-soft coal sales ('000 tonnes) (d) , ,312 2,902 Share of thermal coal sales ('000 tonnes) (d) 5,193 6,236 4,931 5,682 5,952 13,518 16,565 (a) Blair Athol closed in the last quarter of. agreed the sale of its 71.2% in Blair Athol in October. (b) Hail Creek started a trial of thermal coal production, reprocessed from coking coal reject, in the third quarter of. (c) Kestrel produces hard coking coal and thermal coal through its mining operations. These coals may be blended at ports. (d) Sales relate only to coal mined by the operations and exclude traded coal. Coal Mozambique Benga mine (a) 65.0% Hard coking coal production ('000 tonnes) Thermal coal production ('000 tonnes) (a) Benga moved to commercial production during the third quarter of. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

21 Page 21 of 26 operational data COPPER & GOLD Escondida 30.0% Chile Sulphide ore to concentrator ('000 tonnes) 16,850 18,796 18,964 19,295 18,276 51,940 56,535 Average copper grade (%) Mill production (metals in concentrates): Contained copper ('000 tonnes) Contained gold ('000 ounces) Contained silver ('000 ounces) ,021 1,017 2,665 2,908 Recoverable copper in ore stacked for leaching ('000 tonnes) (a) Refined production from leach plants: Copper cathode production ('000 tonnes) (a) The calculation of copper in material mined for leaching is based on ore stacked at the leach pad. Freeport-McMoRan Copper & Gold Grasberg mine (a) 0.0% (b) Papua, Indonesia Ore treated ('000 tonnes) 17,175 16,424 17,943 10,403 17,567 43,956 45,914 Average mill head grades: Copper (%) Gold (g/t) Silver (g/t) Production of metals in concentrates: Copper in concentrates ('000 tonnes) Gold in concentrates ('000 ounces) Silver in concentrates ('000 ounces) ,727 2,014 Sales of payable metals in concentrates: (c) Copper in concentrates ('000 tonnes) Gold in concentrates ('000 ounces) Silver in concentrates ('000 ounces) ,401 1,541 (a) Through a joint venture agreement with Freeport-McMoRan Copper & Gold (FCX), is entitled to 40% of additional material mined as a consequence of expansions and developments of the Grasberg facilities since The results show the forecast from FCX's most recent five-year plan, because FCX is not releasing its actual 100% operating data for until the release of its third-quarter results on 22 October. (b) share of Grasberg production is 40% of the expansion. (c) Net of smelter deductions. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

22 Page 22 of 26 operational data COPPER & GOLD (continued) Kennecott Utah Copper Barneys Canyon mine (a) 100.0% Utah, US Gold produced ('000 ounces) Bingham Canyon mine 100.0% Utah, US Ore treated ('000 tonnes) 10,268 11,001 11,733 8,192 10,593 33,131 30,518 Average ore grade: Copper (%) Gold (g/t) Silver (g/t) Molybdenum (%) Copper concentrates produced ('000 tonnes) Average concentrate grade (% Cu) Production of metals in copper concentrates: Copper ('000 tonnes) (b) Gold ('000 ounces) Silver ('000 ounces) ,462 1,947 Molybdenum concentrates produced ('000 tonnes): Molybdenum in concentrates ('000 tonnes) (a) Mining operations ceased in the first quarter of Gold continues to be recovered from leach pads. (b) Includes a small amount of copper in precipitates. Kennecott smelter & refinery 100.0% Copper concentrates smelted ('000 tonnes) Copper anodes produced ('000 tonnes) (a) Production of refined metal: Copper ('000 tonnes) Gold ('000 ounces) (b) Silver ('000 ounces) (b) ,640 1,525 (a) New metal excluding recycled material. (b) Includes gold and silver in intermediate products. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

23 Page 23 of 26 operational data COPPER & GOLD (continued) Northparkes Joint Venture (a) 80.0% New South Wales, Australia Ore treated ('000 tonnes) 1,468 1,393 1,419 1,542 1,528 4,258 4,488 Average ore grade: Copper (%) Gold (g/t) Copper concentrates produced ('000 tonnes) Contained copper in concentrates: Saleable production ('000 tonnes) Sales ('000 tonnes) (b) Contained gold in concentrates: Saleable production ('000 ounces) Sales ('000 ounces) (b) (a) In July, announced that it had reached a binding agreement for the sale of its 80% in Northparkes. (b) 's 80% share of material from the Joint Venture. Turquoise Hill Resources Oyu Tolgoi mine (a) 33.5% Mongolia Ore Treated ('000 tonnes) ,430 8,052-12,482 Average mill head grades: Copper (%) Gold (g/t) Silver (g/t) Copper concentrates produced ('000 tonnes) Average concentrate grade (% Cu) Production of metals in concentrates: Copper in concentrates ('000 tonnes) Gold in concentrates ('000 ounces) Silver in concentrates ('000 ounces) Sales of metals in concentrates: Copper in concentrates ('000 tonnes) Gold in concentrates ('000 ounces) Silver in concentrates ('000 ounces) (a) owns a 33.52% indirect in Oyu Tolgoi through its 50.79% in Turquoise Hill Resources. Production included in the table is from 1 May. percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

24 Page 24 of 26 operational data COPPER & GOLD (continued) Palabora (a) 0.0% Palabora Mine South Africa Ore Treated ('000 tonnes) 981 2,434 2,139 2,221-6,791 4,360 Average ore grade: copper (%) (b) Copper concentrates produced ('000 tonnes) Average concentrate grade: copper (%) Copper in concentrates ('000 tonnes) Palabora smelter/refinery New concentrate smelted on site ('000 tonnes) New copper anodes produced ('000 tonnes) Refined new copper produced ('000 tonnes) Gold in Anode Slimes ('000 tonnes) By-products: Magnetite concentrate ('000 tonnes) 1,475 1,428 1,146 1,482-3,851 2,628 Nickel contained in products (tonnes) Vermiculite plant Vermiculite produced ('000 tonnes) (a) The sale of 's 57.7% in Palabora Mining Company was completed on 31 July ; production data have been reported up to 30 June. (b) Includes some higher grade slag processed in. DIAMONDS Argyle Diamonds (a) 100.0% Western Australia AK1 ore processed ('000 tonnes) 1,728 1,822 1,533 1,929 2,088 5,189 5,550 AK1 diamonds produced ('000 carats) 2,454 2,010 1,990 3,130 3,085 6,461 8,205 (a) officially opened the Argyle underground mine on 30 April. Diavik Diamonds 60.0% Northwest Territories, Canada Ore processed ('000 tonnes) ,592 1,577 Diamonds recovered ('000 carats) 1,933 1,901 1,946 1,559 1,672 5,329 5,176 Murowa Diamonds 77.8% Zimbabwe Ore processed ('000 tonnes) Diamonds recovered ('000 carats) percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.

25 Page 25 of 26 operational data IRON ORE Iron Ore Western Australia Pilbara Operations Saleable iron ore production ('000 tonnes) Hamersley - Paraburdoo, Mt Tom Price, Marandoo, Yandicoogina, Brockman and Nammuldi 100.0% 33,832 33,022 30,775 32,945 33,707 93,608 97,427 Hamersley - Channar 60.0% 2,224 3,055 2,905 2,904 2,546 7,892 8,355 Hamersley - Eastern Range (a) 2,297 2,424 2,508 2,460 2,571 6,878 7,539 Hope Downs 50.0% 8,048 7,367 7,737 7,932 9,007 23,426 24,676 Robe River - Pannawonica (Mesas J and A) 53.0% 8,513 9,246 7,383 8,352 8,912 23,058 24,647 Robe River - West Angelas 53.0% 8,037 7,183 6,479 7,451 7,528 22,221 21,458 Total production ('000 tonnes) 62,949 62,297 57,787 62,044 64, , ,102 Breakdown of total production: Pilbara Blend Lump 15,890 15,748 15,099 16,641 16,845 46,503 48,585 Pilbara Blend Fines 24,023 22,831 23,154 23,780 24,719 67,302 71,653 Robe Valley Lump 2,622 3,057 2,363 2,616 3,129 7,488 8,108 Robe Valley Fines 5,890 6,189 5,021 5,735 5,783 15,570 16,539 Yandicoogina Fines (HIY) 14,524 14,473 12,150 13,272 13,795 40,220 39,217 Breakdown of total sales: Pilbara Blend Lump 14,014 13,740 12,472 13,356 14,408 39,329 40,236 Pilbara Blend Fines 24,856 25,157 22,753 23,437 26,177 68,535 72,367 Robe Valley Lump 2,290 2,651 2,019 1,982 2,794 6,449 6,795 Robe Valley Fines 6,260 6,707 4,645 5,637 6,298 16,293 16,580 Yandicoogina Fines (HIY) 13,601 14,668 12,833 12,056 14,576 39,179 39,465 Total sales ('000 tonnes) (b) 61,020 62,923 54,722 56,468 64, , ,443 (a) owns 54% of the Eastern Range mine. Under the terms of the joint venture agreement, Hamersley Iron manages the operation and is obliged to purchase all mine production from the joint venture and therefore all of the production is included in Rio Tinto's share of production. (b) Sales represent iron ore exported from Western Australian ports. Iron Ore Company of Canada 58.7% Newfoundland & Labrador and Quebec in Canada Saleable iron ore production: Concentrates ('000 tonnes) 1,570 1,438 1,357 1,849 1,785 2,953 4,991 Pellets ('000 tonnes) 2,466 2,475 2,064 2,138 2,222 7,213 6,424 Sales: Concentrates ('000 tonnes) 1,723 1, ,245 1,481 2,921 4,665 Pellets ('000 tonnes) 2,774 2,517 1,648 2,582 2,289 7,367 6,519 Global Iron Ore Totals Iron Ore Production ('000 tonnes) 66,985 66,210 61,209 66,030 68, , ,517 Iron Ore Sales ('000 tonnes) 65,517 66,756 57,310 61,294 68, , ,627 percentage shown above is at 30 September. The data represent full production and sales on a 100% basis unless otherwise stated.